精氨酸-焦谷氨酸
- 供应商
- 四川同晟氨基酸有限公司
- 认证
- CAS
- 56265-06-6
- 联系电话
- 0838-2274206
- 销售经理
- 刘青兰
- 所在地
- 四川省德阳市天山北路19号1-11-1
- 更新时间
- 2017-02-16 15:22
item | standard | analysis data |
appearance | white crystalline powder | conforms |
specific rotation[α]20/d (c=8 6n hcl ) | +16.0 to ~18.5 degree | +17.1° |
transmittance | not less than 95% | 97.5% |
chloride (cl) | not more than 0.020% | 0.016% |
ammonium (nh4) | not more than 0.02% | <0.02% |
sulfate (so4) | not more than 0.020% | 0.015% |
iron (fe) | not more than 10ppm | 6ppm |
heavy metal(pb) | not more than 10ppm | 6ppm |
arsenic(as2o3) | not more than 2ppm | <1ppm |
other amino acids | chromatographically not detectable | conforms |
loss on drying | not more than 2.0% | 0.6% |
residue on ignition(sulfated) | not more than 0.10% | 0.08% |
assay | 98.5%~101.5% | 99.2% |
remark | easy moisture-absorbed; store indry、dark、coolplace. | |
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